| Issue |
E3S Web Conf.
Volume 116, 2019
International Conference on Advances in Energy Systems and Environmental Engineering (ASEE19)
|
|
|---|---|---|
| Article Number | 00101 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/e3sconf/201911600101 | |
| Published online | 24 September 2019 | |
Influence of ammonia on wet-limestone flue gas desulfurization process from coal-based power plant
1
Faculty of Environmental Engineering, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
2
RAFAKO S.A., ul. Łąkowa 33, 47-400 Racibórz, Poland
* Corresponding author: renata.krzyzynska@pwr.edu.pl
The paper presents data concerning the influence of ammonia on wet flue gas desulfurization (WFGD) absorber. Paper presents preliminary results of an industrial scale study on WFGD absorber, that collects flue gases from four boilers with total flue gas flow capacity of the WFGD equal to 1 500 000 Nm3/h. Each boiler is equipped with selective non-catalytic reduction (SNCR) with urea injection. It was shown, that ammonia present in the flue gas upstream the WFGD increases the pH of absorption slurry, impacting the desulphurization process. In addition, analysis of particulate matter upstream and downstream the absorber shows an increase of the concentration of ammonium species in the particulate matter about 14 times, as average. Moreover, a non-optimized denitrification process can cause a high NH4+ concentration in the absorption slurry (up to 768 mg/L) and raw wastewater (up to 891 mg/L).
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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